AMD Ryzen 9 8945HS vs AMD Ryzen 7 7840H
Comparative analysis of AMD Ryzen 9 8945HS and AMD Ryzen 7 7840H processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.
Differences
Reasons to consider the AMD Ryzen 9 8945HS
- CPU is newer: launch date 11 month(s) later
- Around 2% higher clock speed: 5.2 GHz vs 5.1 GHz
- 1048576x more L2 cache, more data can be stored in the L2 cache for quick access later
- 1048576x more L3 cache, more data can be stored in the L3 cache for quick access later
- Around 4% better performance in PassMark - Single thread mark: 3877 vs 3720
- Around 4% better performance in PassMark - CPU mark: 29474 vs 28390
Specifications (specs) | |
Launch date | 6 Dec 2023 vs Jan 2023 |
Maximum frequency | 5.2 GHz vs 5.1 GHz |
L2 cache | 1 MB (per core) vs 1MB (per core) |
L3 cache | 16 MB (shared) vs 16MB (shared) |
Benchmarks | |
PassMark - Single thread mark | 3877 vs 3720 |
PassMark - CPU mark | 29474 vs 28390 |
Reasons to consider the AMD Ryzen 7 7840H
- Around 29% lower typical power consumption: 35 Watt vs 45 Watt
Thermal Design Power (TDP) | 35 Watt vs 45 Watt |
Compare benchmarks
CPU 1: AMD Ryzen 9 8945HS
CPU 2: AMD Ryzen 7 7840H
PassMark - Single thread mark |
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PassMark - CPU mark |
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Name | AMD Ryzen 9 8945HS | AMD Ryzen 7 7840H |
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PassMark - Single thread mark | 3877 | 3720 |
PassMark - CPU mark | 29474 | 28390 |
Compare specifications (specs)
AMD Ryzen 9 8945HS | AMD Ryzen 7 7840H | |
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Essentials |
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Launch date | 6 Dec 2023 | Jan 2023 |
Place in performance rating | 191 | 231 |
Performance |
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Base frequency | 4 GHz | 3.8 GHz |
Die size | 178 mm² | 178 mm² |
L1 cache | 64 KB (per core) | 64K (per core) |
L2 cache | 1 MB (per core) | 1MB (per core) |
L3 cache | 16 MB (shared) | 16MB (shared) |
Manufacturing process technology | 4 nm | 4 nm |
Maximum core temperature | 100°C | 100°C |
Maximum frequency | 5.2 GHz | 5.1 GHz |
Number of cores | 8 | 8 |
Number of threads | 16 | 16 |
Transistor count | 25,000 million | 25,000 million |
Unlocked | ||
Memory |
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ECC memory support | ||
Supported memory types | DDR5 | DDR5-5600 MHz, Dual-channel |
Compatibility |
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Configurable TDP | 35-54 Watt | 35-54 Watt |
Max number of CPUs in a configuration | 1 | 1 |
Sockets supported | FP8 | FP8 |
Thermal Design Power (TDP) | 45 Watt | 35 Watt |
Peripherals |
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PCIe configurations | Gen 4, 20 Lanes, (CPU only) | Gen 4, 20 Lanes, (CPU only) |